The value of a machine depreciates 10% every year. If its present value is rs 38700, find its value a year ago.
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value of a machine in last year is 387000
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1.let the value of the machine a year ago be x
2.as it decreases every year ,thus the value of x will be greater
3.we know,
present price is 38700
4.now if we subtract it with x,we will get 10%of x
5.now lets do it
thus,
x-38700=10%of x
x-38700=x/10
10x-387000=x
9x=387000
x=387000/9
x=43000
2.as it decreases every year ,thus the value of x will be greater
3.we know,
present price is 38700
4.now if we subtract it with x,we will get 10%of x
5.now lets do it
thus,
x-38700=10%of x
x-38700=x/10
10x-387000=x
9x=387000
x=387000/9
x=43000
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